Finding the Fourth Proportional to 2,128,989.24, 3,192,302.34 and 708,269.76
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Solution
The fourth proportional to 2,128,989.24, 3,192,302.34 and 708,269.76 is: 1,062,011.57
Step by Step Solution
- Step 1: Write the proportion equation
2,128,989.24 : 3,192,302.34 = 708,269.76 : x - Step 2: Convert to fraction form
2,128,989.24/3,192,302.34 = 708,269.76/x - Step 3: Cross multiply
2,128,989.24x = 3,192,302.34 × 708,269.76 - Step 4: Simplify right side
2,128,989.24x = 2,261,011,212,199.24 - Step 5: Solve for x
x = 2,261,011,212,199.24/2,128,989.24 - Step 6: Final answer
x = 1,062,011.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.